Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/20/2023   22:43:13   (  -0.09,-128.16) (  -0.59,-130.33)  246.76                80
 02/21/2023   22:22:12   (  -0.09,-128.15) (   0.44,-125.89)  258.45                80
 02/23/2023   10:44:36   (   0.09,-128.12) (   0.82,-131.27)  359.68                80
 02/24/2023   10:28:55   (   0.09,-128.11) (  -0.22,-126.83)  145.72                80
 02/25/2023   22:51:26   (  -0.10,-128.09) (  -1.01,-132.26)  473.81                80
 02/26/2023   22:30:25   (  -0.10,-128.08) (  -0.02,-127.81)   31.09                80
 03/01/2023   10:34:27   (   0.11,-128.01) (   0.27,-128.74)   83.51                80
 03/02/2023   10:18:45   (   0.11,-127.99) (  -0.73,-124.30)  421.28                80
 03/03/2023   22:41:16   (  -0.11,-127.97) (  -0.53,-129.71)  198.85                80
 03/04/2023   22:20:14   (  -0.12,-127.95) (   0.47,-125.26)  305.59                80